<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
			function check1(){
				let reg=/^[A-z]\w{2,14}$/
				let username=document.getElementById("username").value
				if(reg.test(username)){
					document.getElementById("note1").innerHTML="OK"
				}
				else{
					document.getElementById("note1").innerHTML="errow"
				}
			}
					function check2(){
						let reg=/^1\d{10}$/
						let phonenum=document.getElementById("phonenum").value
						if(reg.test(phonenum)){
							document.getElementById("note2").innerHTML="OK"
						}
						else{
							document.getElementById("note2").innerHTML="errow"
						}
					}
					function check3(){
						let reg=/(^0\d{2}-?\d{8})|(^0\d{3}-?\d{7}$)/
						let tablenum=document.getElementById("tablenum").value
						if(reg.test(tablenum)){
							document.getElementById("note3").innerHTML="OK"
						}
						else{
							document.getElementById("note3").innerHTML="errow"
						}
					}
					function check4(){
						let reg=/^(([1-9]\d{0,14})|0)(\.\d{1,2})?$/
						let money=document.getElementById("money").value
						if(reg.test(money)){
							document.getElementById("note4").innerHTML="OK"
						}
						else{
							document.getElementById("note4").innerHTML="errow"
						}
					}
		</script>
	</head>
	<body>
		输入用户昵称:<input type="text" id="username" />
		<button type="button" onclick="check1()">检测</button>
		<span id="note1"></span>
		<br>
		输入手机号码:<input type="text" id="phonenum" />
		<button type="button" onclick="check2()">检测</button>
		<span id="note2"></span>
		<br>
		输入座机号码:<input type="text" id="tablenum" />
		<button type="button" onclick="check3()">检测</button>
		<span id="note3"></span>
		<br>
		输入存款金额:<input type="text" id="money" />
		<button type="button" onclick="check4()">检测</button>
		<span id="note4"></span>
		<br>
	</body>
</html>
